1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 185Get this manual
CRANKSHAFT ITRANSMISSION Check the sh ift fork and fork shaft for wear or damageMeasure the IDof the shift fork SERVICE LIMIT: 13.04 mm (0 .513 in)
Measure the shift fork claw thickness SERVICE LIMIT: 4.60 mm (0 .181 in)
Measure the ODof the shift fork shaftSERVICE LIMIT: 12.96 mm (0.510 in)
Inspect the shi ft drum grooves for wear or damage